Abstract
A population-based sample of 834 men (ages 40–69 years) and 1058 women (25–29 years) was investigated with respect to straining to defecate, stool form, bowel habit, and use of laxatives, by means of a questionnaire and a three-stool record form. Straining was common but, contrary to standard teaching, far from universal. It was unrelated to age but was commoner in women than men. Many people underestimated how often they strained. Overall, 32% of defecations in women and 22% of defecations in men were associated with straining to start and 15% and 9%, respectively, with straining to finish. Straining was to some extent related to stool type: the lumpier a stool, the more often it elicited straining. However, it seems likely that straining in some people is just a habit. Use of laxatives was found to be less prevalent than in the past, and most people with evidence of constipation did not use them. Use of laxatives increased with age, and some older people used them inappropriately. The most popular laxatives were based on phenolphthalein, senna, or magnesium.
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Supported by grants from the South West Regional Health Authority and the Kellogg Company of Great Britain.
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Heaton, K.W., Cripps, H.A. Straining at stool and laxative taking in an english population. Digest Dis Sci 38, 1004–1008 (1993). https://doi.org/10.1007/BF01295713
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DOI: https://doi.org/10.1007/BF01295713